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HELP please? combo match or no?

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Old 09-27-2013, 02:34 PM
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Car: 1989 Formula
Engine: 355ci HSR SBC
Transmission: 700r4
Axle/Gears: 3.27
HELP please? combo match or no?

Ok, I won't tell you the LONG story of why this cam was installed other than it fit what I was going to do in the first place, but after looking at the boards for a while and figuring I would want a little more power later come to think I might have made a mistake. Here is where you, the more knowledgeable people come in.


I have a 355ci (budget) built engine. It has hyper flat tops with the valve reliefs. Brand new crank and rods (stocker replacement 2-bolt) I had it done over a year ago and ran out of cash for a multitude of reasons, that is why I did not have it stroked, or went with a 4bolt setup.

Here is the combo I am looking at. I have a howards cam 180235-14 in it. intake side .488 lift, 264 duration. 214 @.050 Exhaust .495, 270 duration with 218 @.050 It has a LSA of 114


The heads are stock with springs to support the lift.

I have headers with a 3" exhaust

I am looking to buy an HSR for the intake.

3000 stall edge tq, and a built 700r4. 3.42 rears in a stock carrier.



So here are my questions. Since my cam is meant for rpms up to around 5500, is it a waste to get the HSR, or should I get my stock stuff ported or look for a bigmouth?

I will be changing heads later. I am going to save for some AFRs.

Thoughts, questions. Ideas?
Old 09-27-2013, 03:46 PM
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Car: 92 Firebird, 91 Trans Am
Engine: L31 with HSR, LB9
Transmission: 700R4, 700R4
Axle/Gears: '99 10 bolt 3.90, '01 10 bolt 3.42
Re: HELP please? combo match or no?

Get the HSR to utilize that cam and it'll be even better when the AFRs are installed
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